Airstrikes against so-called Islamic State in Syria have been approved by the House of Commons.
MPs supported a motion backing the strikes by 397 votes to 223 - a majority of 174 - following a 10-hour debate.
RAF Tornados could now begin missions against IS targets as soon as Thursday morning.
The shadow chancellor warned it could foster another generation of militants determined to commit a Paris-style terror attack.
The Defence Secretary has warned the RAF that the fight against Islamic State will not be short or simple.
Officers were posted outside the constituency office of Neil Coyle, the Labour MP for Bermondsey & Old Southwark.